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1307277 = 32145253
BaseRepresentation
bin100111111001010001101
32110102020200
410333022031
5313313102
644004113
714053206
oct4771215
92412220
101307277
118131a4
12530639
1336a04a
142605ad
151ac51c
hex13f28d

1307277 has 6 divisors (see below), whose sum is σ = 1888302. Its totient is φ = 871512.

The previous prime is 1307261. The next prime is 1307281. The reversal of 1307277 is 7727031.

It can be written as a sum of positive squares in only one way, i.e., 1022121 + 285156 = 1011^2 + 534^2 .

It is not a de Polignac number, because 1307277 - 24 = 1307261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1307277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72618 + ... + 72635.

It is an arithmetic number, because the mean of its divisors is an integer number (314717).

21307277 is an apocalyptic number.

It is an amenable number.

1307277 is a deficient number, since it is larger than the sum of its proper divisors (581025).

1307277 is a wasteful number, since it uses less digits than its factorization.

1307277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145259 (or 145256 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 1307277 is about 1143.3621473531. The cubic root of 1307277 is about 109.3425522252.

The spelling of 1307277 in words is "one million, three hundred seven thousand, two hundred seventy-seven".

Divisors: 1 3 9 145253 435759 1307277